CN216190251U - Elevator anti-empty-stepping control system - Google Patents
Elevator anti-empty-stepping control system Download PDFInfo
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- CN216190251U CN216190251U CN202122424689.9U CN202122424689U CN216190251U CN 216190251 U CN216190251 U CN 216190251U CN 202122424689 U CN202122424689 U CN 202122424689U CN 216190251 U CN216190251 U CN 216190251U
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Abstract
The utility model provides an elevator anti-empty-stepping control system, which comprises an input circuit, a lifting drive circuit, an elevator door drive circuit and a control module, wherein the input circuit is connected with the elevator door drive circuit; the input circuit is used for accessing alternating current commercial power, and the output end of the input circuit is respectively connected with the lifting drive circuit, the elevator door drive circuit and the control module; the lifting driving circuit is connected with the control module, and the control module acquires the floor where the elevator is located from the lifting driving circuit; the elevator door driving circuit comprises a first forward and reverse rotation controller, a foot-miss prevention switch and a door motor, and the control module controls the foot-miss prevention switch to disconnect the connection between the first forward and reverse rotation controller and the door motor when the elevator does not reach a target floor. The elevator anti-empty-stepping control system is provided with the anti-empty-stepping switch on the elevator door driving circuit, and when the elevator does not reach a target floor, no matter the lifting driving circuit fails or the elevator door driving circuit fails, the door motor is in a door closing state, so that the occurrence of an accident that people step on empty is effectively avoided.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator anti-empty-stepping control system.
Background
With the rapid advance of city development, high-rise forests are becoming standard allocations of each city, and simultaneously, an elevator era is created. Data shows that by the end of 2020, the total quantity of elevators in China is about 786.55 ten thousands, which accounts for one third of the total reserve of the world and is increased by 5 times compared with that before 10 years. The elevator keeping quantity, the annual output and the annual growth quantity in China are all the first in the world, the probability accident probability is increased when the elevator cardinality is larger, and more elevator safety accidents are brought. At present, the lifting elevator at home and abroad is opened by only realizing the door opening or opening the elevator door by a special key through the linkage interlocking function of a landing door and a car door motor of the system, so that the door is not opened when the car does not reach a specified range, and the elevator is prevented from being empty.
At present, the device design of the elevator anti-empty-stepping early warning system mostly starts from the outside of an elevator, various sensors are adopted for detection, and then similar accident warning is early warned by utilizing the acousto-optic effect, so that people are reminded of taking the elevator. The design of the devices can reduce the occurrence of the elevator step-on-empty accident to a certain extent and ensure the life safety of people. However, eventually the problem of a step-down accident cannot be solved from the elevator system itself.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an elevator anti-treading empty control system, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.
An elevator anti-empty-stepping control system comprises an input circuit, a lifting drive circuit, an elevator door drive circuit and a control module;
the input circuit is used for accessing alternating current commercial power, and the output end of the input circuit is respectively connected with the lifting drive circuit, the elevator door drive circuit and the control module;
the lifting driving circuit is connected with the control module, and the control module acquires the floor where the elevator is located from the lifting driving circuit;
the elevator door driving circuit comprises a first forward and reverse rotation controller, a foot-off prevention switch and a door motor, the first forward and reverse rotation controller obtains electricity from an input circuit and is connected with the door motor in series through the foot-off prevention switch, a trigger end of the first forward and reverse rotation controller and a trigger end of the foot-off prevention switch are respectively connected with a control module, and the control module controls the foot-off prevention switch to disconnect the connection between the first forward and reverse rotation controller and the door motor when the elevator does not reach a target floor.
Furthermore, the anti-stepping-on and air-out switch is selected from a relay, a transistor or a field effect transistor.
Further, the lifting driving circuit comprises a second forward and reverse rotation controller, a lifting motor and a floor encoder, the second forward and reverse rotation controller obtains electricity from the input circuit, the second forward and reverse rotation controller is connected with the lifting motor, and the floor encoder collects the rotation direction and the rotation displacement of the lifting motor and transmits the rotation displacement to the control module.
Furthermore, the input circuit comprises a voltage transformation conversion module, a first output end of the voltage transformation conversion module is respectively connected with the lifting drive circuit and the elevator door drive circuit, and a second output end of the voltage transformation conversion module is connected with the control module.
Furthermore, the elevator anti-empty-stepping control system also comprises an alarm module, and the alarm module is connected with the control module.
Further, the alarm module comprises an alarm and an alarm lamp.
Furthermore, the elevator anti-empty-stepping control system also comprises a detection module, wherein the detection module is connected with the control module and is used for detecting the distance between the person outside the elevator door and the elevator door.
Further, the detection module adopts a human body infrared sensor.
The utility model has the beneficial effects that: the anti-step-on-empty switch is arranged on the elevator door driving circuit, and when the elevator does not reach a target floor, no matter the lifting driving circuit fails or the elevator door driving circuit fails, the door motor is in a door closing state, so that the occurrence of a person step-on-empty accident is effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram of an elevator anti-foot-empty control system according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the present invention will be further described with reference to the embodiments and the accompanying drawings.
Fig. 1 is a schematic structural diagram of an elevator anti-foot-empty control system according to an embodiment. Referring to fig. 1, the elevator anti-step-empty control system includes an input circuit 100, a lifting driving circuit 200, an elevator door driving circuit 300, and a control module 400, for controlling lifting of an elevator and opening and closing of an elevator door.
Specifically, the input circuit 100 is used for accessing an alternating current mains supply, and the output end of the input circuit 100 is connected with the lifting drive circuit 200, the elevator door drive circuit 300 and the control module 400 respectively; the lifting driving circuit 200 is connected with the control module 400; the elevator door driving circuit 300 includes a first forward/reverse controller 310, a foot-miss prevention switch 320 and a door motor 330, the first forward/reverse controller 310 takes power from the input circuit 100 and is connected in series with the door motor 330 through the foot-miss prevention switch 320, and a trigger terminal of the first forward/reverse controller 310 and a trigger terminal of the foot-miss prevention switch 320 are respectively connected to the control module 400.
The input circuit 100 provides the converted electric energy for the lifting driving circuit 200, the elevator door driving circuit 300 and the control module 400, respectively, and the powered lifting driving circuit 200 drives the elevator to lift. In practical use, the control module 400 obtains a floor to be reached by a user, the lifting drive circuit 200 controls the elevator to reach a target floor and sends a door opening signal to the control module 400 after reaching the target floor, when the elevator reaches the target floor, the control module 400 triggers the step-on prevention idle switch 320 to be turned on, the first forward and reverse rotation controller 310 is powered on and drives the door motor 330 to rotate in the direction of opening the elevator door, when the elevator does not reach the target floor, the control module 400 controls the step-on prevention idle switch 320 to disconnect the connection between the first forward and reverse rotation controller 310 and the door motor 330, and the elevator door maintains a closed state. Thus, when the elevator does not reach the target floor, the door motor 330 is in a closed state no matter the lifting drive circuit 200 or the elevator door drive circuit 300 fails, thereby effectively avoiding the occurrence of a person step-on accident.
The anti-foot-miss switch 320 may be a relay, a transistor, or a fet. The anti-foot-miss switch 320 described in this embodiment is a normally open relay. The contact of the anti-foot-miss switch 320 is connected in series between the first forward/reverse controller 310 and the door motor 330, the control module 400 is connected with the coil of the anti-foot-miss switch 320, and the control module 400 attracts the contact of the anti-foot-miss switch 320 to close and conduct the first forward/reverse controller 310 and the door motor 330 by electrifying the coil of the anti-foot-miss switch 320.
The input circuit 100 described in this embodiment includes a voltage transformation module, a first output end of the voltage transformation module is connected to the lift driving circuit 200 and the elevator door driving circuit 300, respectively, and a second output end of the voltage transformation module is connected to the control module 400. The first output end of the voltage transformation conversion module outputs 220V alternating current voltage, and the second output end of the voltage transformation conversion module outputs 24V direct current voltage.
The lifting driving circuit 200 of this embodiment includes a second forward/reverse controller 210, a lifting motor 220 and a floor encoder 230, the second forward/reverse controller 210 receives power from the input circuit 100, the second forward/reverse controller 210 is connected to the lifting motor 220, and the floor encoder 230 collects the rotation direction and the rotation displacement of the lifting motor 220 and transmits the rotation direction and the rotation displacement to the control module 400. The control module 400 obtains the floor where the user arrives from the second forward/reverse controller 210, the second forward/reverse controller 210 drives the elevator motor 220 to rotate forward or reverse, so as to drive the elevator to ascend or descend, and the floor encoder 230 collects the rotation direction and the rotation displacement of the elevator motor 220 and transmits the rotation displacement to the control module 400 in cooperation with the PWM signal, so that the control module 400 can accurately obtain the floor where the elevator is located, and further control the elevator door driving circuit 300.
The elevator anti-empty-stepping control system described in this embodiment further includes an alarm module 500, and the alarm module 500 is connected with the control module 400. More specifically, the alarm module 500 includes an alarm and an alarm lamp, and when an alarm needs to be given, the alarm and the alarm lamp give an audible and visual alarm.
The elevator air-stepping prevention control system further comprises a detection module 600, the detection module 600 is connected with the control module 400, and the detection module 600 is used for detecting the distance between people outside the elevator door and the elevator door. More specifically, the detection module 600 selects a human infrared sensor. When the elevator arrives at the waiting floor of the personnel, the detection module 600 detects the distance between the personnel outside the elevator door and the elevator door, the control module 400 judges whether the personnel outside the elevator door is in the safe waiting distance according to the detection result, if not, the audible and visual alarm is carried out through the alarm and the alarm lamp, and the personnel outside the elevator door returns to the limited safe area.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. An elevator anti-empty-stepping control system is characterized by comprising an input circuit, a lifting drive circuit, an elevator door drive circuit and a control module;
the input circuit is used for accessing alternating current commercial power, and the output end of the input circuit is respectively connected with the lifting drive circuit, the elevator door drive circuit and the control module;
the lifting driving circuit is connected with the control module, and the control module acquires the floor where the elevator is located from the lifting driving circuit;
the elevator door driving circuit comprises a first forward and reverse rotation controller, a foot-stepping prevention idle switch and a door motor, the first forward and reverse rotation controller obtains electricity from an input circuit and is connected with the door motor in series through the foot-stepping prevention idle switch, a trigger end of the first forward and reverse rotation controller and a trigger end of the foot-stepping prevention idle switch are respectively connected with a control module, and the control module controls the foot-stepping prevention idle switch to break connection between the first forward and reverse rotation controller and the door motor when the elevator does not reach a target floor.
2. The elevator anti-step-down control system according to claim 1, wherein the anti-step-down switch is selected from a relay, a transistor or a field effect transistor.
3. The elevator anti-stepping-on and idling control system according to claim 1, wherein the lifting drive circuit comprises a second forward and reverse rotation controller, a lifting motor and a floor encoder, the second forward and reverse rotation controller obtains electricity from the input circuit, the second forward and reverse rotation controller is connected with the lifting motor, and the floor encoder collects the rotation direction and the rotation displacement of the lifting motor and transmits the rotation direction and the rotation displacement to the control module.
4. The elevator anti-empty-stepping control system according to claim 1, wherein the input circuit comprises a transformation conversion module, a first output end of the transformation conversion module is respectively connected with the lifting drive circuit and the elevator door drive circuit, and a second output end of the transformation conversion module is connected with the control module.
5. The elevator anti-step-empty control system according to claim 1, characterized in that the elevator anti-step-empty control system further comprises an alarm module, and the alarm module is connected with the control module.
6. The elevator anti-step-down control system according to claim 5, wherein the alarm module comprises an alarm and an alarm lamp.
7. The elevator anti-empty-stepping control system according to claim 1, further comprising a detection module connected with the control module, wherein the detection module is used for detecting the distance between a person outside the elevator door and the elevator door.
8. The elevator anti-step-down control system according to claim 7, wherein the detection module is a human infrared sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122424689.9U CN216190251U (en) | 2021-10-08 | 2021-10-08 | Elevator anti-empty-stepping control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122424689.9U CN216190251U (en) | 2021-10-08 | 2021-10-08 | Elevator anti-empty-stepping control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216190251U true CN216190251U (en) | 2022-04-05 |
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ID=80862130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122424689.9U Active CN216190251U (en) | 2021-10-08 | 2021-10-08 | Elevator anti-empty-stepping control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216190251U (en) |
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2021
- 2021-10-08 CN CN202122424689.9U patent/CN216190251U/en active Active
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